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54943385 = 571569811
BaseRepresentation
bin1101000110010…
…1111010011001
310211101102011012
43101211322121
5103031142020
65241343305
71235003540
oct321457231
9124342135
1054943385
1129017862
1216497b35
13b4c94a3
147423157
154c547c5
hex3465e99

54943385 has 8 divisors (see below), whose sum is σ = 75350976. Its totient is φ = 37675440.

The previous prime is 54943381. The next prime is 54943387. The reversal of 54943385 is 58334945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54943385 - 22 = 54943381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54943381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784871 + ... + 784940.

It is an arithmetic number, because the mean of its divisors is an integer number (9418872).

Almost surely, 254943385 is an apocalyptic number.

It is an amenable number.

54943385 is a deficient number, since it is larger than the sum of its proper divisors (20407591).

54943385 is a wasteful number, since it uses less digits than its factorization.

54943385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569823.

The product of its digits is 259200, while the sum is 41.

The square root of 54943385 is about 7412.3805218027. The cubic root of 54943385 is about 380.1647139117.

It can be divided in two parts, 549 and 43385, that added together give a palindrome (43934).

The spelling of 54943385 in words is "fifty-four million, nine hundred forty-three thousand, three hundred eighty-five".

Divisors: 1 5 7 35 1569811 7849055 10988677 54943385